[Assays of implants with natural estrogen base in the bull. Clinical observations].
D000818:Animals; D001835:Body Weight / Q000187:drug effects*; D002417:Cattle / Q000254:growth & development*; D004958:Estradiol / Q000008:administration & dosage*; D007878:Legislation as Topic; D008297:Male; D008460:Meat; D011374:Progesterone / Q000008:administration & dosage*; D012726:Sexual Behavior, Animal / Q000187:drug effects; D013997:Time Factors
D011374:Progesterone; D004958:Estradiol
Essais d'implants à base d'oestrogènes naturels chez le taureau.